sysdeps/aarch64/fpu/get-rounding-mode.h

   1 /* Determine floating-point rounding mode within libc.  AArch64 version.
   2
   3    Copyright (C) 2012-2015 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU C Library.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef _AARCH64_GET_ROUNDING_MODE_H
  22 #define _AARCH64_GET_ROUNDING_MODE_H    1
  23
  24 #include <fenv.h>
  25 #include <fpu_control.h>
  26
  27 /* Return the floating-point rounding mode.  */
  28
  29 static inline int
  30 get_rounding_mode (void)
  31 {
  32   fpu_control_t fpcr;
  33
  34   _FPU_GETCW (fpcr);
  35   return fpcr & _FPU_FPCR_RM_MASK;
  36 }
  37
  38 #endif /* get-rounding-mode.h */